While adding proposal/invoice/proforma invoice Amount is not getting calculating?

Path: https://account.solidperformers.com/settings/field_customization/product

1. Go to Proposal & Products Settings.
2. Click on Products Field Customization.
3. Check weather the default PRICE field status has enabled or not. If not enabled, enable it.
4. Check the PRICE status has enabled or not for proposal column. If not enabled, enable it.
5. Check the PRICE status has enabled or not for Invoice column. If not enabled, enable it.
6. Check the PRICE status has enabled or not for Proforma Invoice column. If not enabled, enable it.
7. Update the setting after making the above changes.

Refer the below images for steps.